The Light Efficient Design LED-1662 PAR30 10W Dimmable 7 LED Lamp in soft white (3000K) has a fully encapsulated, screw-in medium base mounting that integrates energy saving LED technology into a standard PAR30 format. Equivalent to a 50W PAR30 light output, this lamp lasts up to 50,000 hours of lamp life. The PAR30 10W lamp has been designed to retrofit existing PAR30 installations, thereby reducing maintenance and energy expenditures - and as an energy saving light source for new fixtures and installations.